Let me suggest trying a MANUAL update. It's a bit more complicated, but still not difficult. Instructions follow.
https://ttlc.intuit.com/questions/1901192-manually-update-turbotax-for-windows-software-basic-deluxe...I'll be checking back to see if this worked. If this doesn't work, try saving your TurboTax file and closing your TT program. Then delete your browser's history, clearing cache and deleting cookies. You may also try a different browser.
We'll get this figured out.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
